| Acronym | Meaning |
| ISC3 | Industrial Source Complex Version 3 |
| ASEAN | Assocn. Of South-East Asian Nations |
| BPT | Best Practical Technology |
| WHOI | Woods Hole Oceanographic Institute |
| OEP-SIC | Optimized Effective Potential Self-interaction Correction |
| ADH | Antidiuretic Hormone |
| RPMI | Roswell Park Memorial Institute |
| SI | Surface Ionization |
| ELDOR | Electron Double Resonance |
| UVBIS | Ultraviolet Bremsstrahlung Isochromat Spectroscopy |